利用两步阳极氧化法, 在钛片上成功制备了高质量的二氧化钛纳米管阵列薄膜。利用场发射扫描电子显微镜, 对二氧化钛纳米管阵列薄膜进行了形貌表征。之后, 将不同厚度的薄膜组装成背光式染料敏化太阳电池, 并测量了它们的光电转化性能。发现, 随着薄膜层厚度的增加太阳电池的转化效率也逐渐提高。当薄膜厚度为15μm时, 电池的转化效率达到3.04%。

High-quality titania nanotube array films were successfully fabricated by two-step anodization of titanium foils. The morphologies of titania nanotube arrays were observed by field emission scanning electron microscope. Dye-sensitized solar cells were then fabricated using titania nanotube array films with different thicknesses and the photovoltaic conversion efficiencies of these solar cells were evaluated. It is found that the conversion efficiency of the solar cells can be improved with the increasing film thickness. The highest solar cell efficiency of 3.04% is achieved at the film thickness of 15μm.